//===----------------------------------------------------------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // type_traits // bool_constant #include #include #include "test_macros.h" int main(int, char**) { #if TEST_STD_VER > 14 typedef std::bool_constant _t; static_assert(_t::value, ""); static_assert((std::is_same<_t::value_type, bool>::value), ""); static_assert((std::is_same<_t::type, _t>::value), ""); static_assert((_t() == true), ""); typedef std::bool_constant _f; static_assert(!_f::value, ""); static_assert((std::is_same<_f::value_type, bool>::value), ""); static_assert((std::is_same<_f::type, _f>::value), ""); static_assert((_f() == false), ""); #endif return 0; }